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Finding the Fourth Proportional to 75,643.91, 113,482.71 and 23,057.49

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Solution

The fourth proportional to 75,643.91, 113,482.71 and 23,057.49 is: 34,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,643.91 : 113,482.71 = 23,057.49 : x
  2. Step 2: Convert to fraction form
    75,643.91/113,482.71 = 23,057.49/x
  3. Step 3: Cross multiply
    75,643.91x = 113,482.71 × 23,057.49
  4. Step 4: Simplify right side
    75,643.91x = 2,616,626,451.00
  5. Step 5: Solve for x
    x = 2,616,626,451.00/75,643.91
  6. Step 6: Final answer
    x = 34,591.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.